Academic literature on the topic 'Inhibiteurs de point de contrôle du système immunitaire'
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Journal articles on the topic "Inhibiteurs de point de contrôle du système immunitaire"
Bonnefoy, Nathalie, Daniel Olive, and Bernard Vanhove. "Les futures générations d’anticorps modulateurs des points de contrôle de la réponse immunitaire." médecine/sciences 35, no. 12 (December 2019): 966–74. http://dx.doi.org/10.1051/medsci/2019193.
Full textFaviez, G., E. Bousquet, A. Rabeau, I. Rouquette, S. Collot, C. Goumarre, N. Meyer, G. Prevot, and J. Mazieres. "Granulomatose sarcoïdosique survenant sous inhibiteurs de point de contrôle immunitaire." Revue des Maladies Respiratoires 35, no. 9 (November 2018): 963–67. http://dx.doi.org/10.1016/j.rmr.2018.08.003.
Full textCriquet, Emilie, Kévin Didier, Amelie Servettaz, Laetitia Visseaux, Marine Ehret, and Florent Grange. "Effets secondaires cutanés des inhibiteurs de point de contrôle immunitaire utilisés en oncologie : étude prospective." Annales de Dermatologie et de Vénéréologie - FMC 1, no. 8 (December 2021): A176. http://dx.doi.org/10.1016/j.fander.2021.09.080.
Full textWeill, A., F. Brunet-Possenti, S. Léonard-Louis, J. Delyon, B. Bonniaud, G. Jeudy, V. Descamps, et al. "Myopathies inflammatoires induites par les inhibiteurs de point de contrôle immunitaire : spectre clinique et traitements." La Revue de Médecine Interne 42 (June 2021): A40. http://dx.doi.org/10.1016/j.revmed.2021.03.239.
Full textCisarovsky, Christophe, Vanessa Kraege, Michel Obeid, and Antoine Garnier. "Effets indésirables immunomédiés des inhibiteurs de points de contrôle immunitaire: point de vue de l’interniste." Revue Médicale Suisse 16, no. 716 (2020): 2264–70. http://dx.doi.org/10.53738/revmed.2020.16.716.2264.
Full textWeill, A., Y. Le Corre, F. Brunet-Possenti, S. Léonard-Louis, J. Delyon, B. Bonniaud, G. Jeudy, et al. "Myopathies inflammatoires induites par les inhibiteurs de point de contrôle immunitaire : la reprise d’une immunothérapie est possible." La Revue de Médecine Interne 42 (June 2021): A41. http://dx.doi.org/10.1016/j.revmed.2021.03.240.
Full textGaron Czmil, J., N. Petitpain, F. Rouby, M. Sassier, S. Babai, M. Yelehe-Okouma, G. Werhya, M. Klein, and P. Gillet. "Thyroïdites secondaires à l’utilisation des inhibiteurs du point de contrôle immunitaire : étude rétrospective de la Base française de pharmacovigilance." Annales d'Endocrinologie 79, no. 4 (September 2018): 228. http://dx.doi.org/10.1016/j.ando.2018.06.101.
Full textDal Cin, J., C. Anquetil, M. Touat, S. Léonard-Louis, M. Andrieu, F. Letourneur, D. Amelin, et al. "Le rôle des lymphocytes T résidents mémoires dans les myosites induites par les inhibiteurs de point de contrôle immunitaire." La Revue de Médecine Interne 44 (December 2023): A377—A378. http://dx.doi.org/10.1016/j.revmed.2023.10.085.
Full textGaron Czmil, J., N. Petitpain, F. Rouby, M. Sassier, S. Babai, M. Yelehe-Okouma, G. Werhya, M. Klein, and P. Gillet. "Hypophysites survenant au décours d’un traitement par inhibiteurs du point de contrôle immunitaire : étude rétrospective à partir de la Base française de pharmacovigilance." Annales d'Endocrinologie 79, no. 4 (September 2018): 228. http://dx.doi.org/10.1016/j.ando.2018.06.100.
Full textAkli, A., P. Takam Kamga, C. Julie, J. F. Emile, and E. Giroux Leprieur. "Rôle de la voie HGF/cMET dans la résistance aux inhibiteurs de point de contrôle immunitaire dans le cancer bronchique non à petites cellules." Revue des Maladies Respiratoires 40, no. 2 (February 2023): 120. http://dx.doi.org/10.1016/j.rmr.2022.11.024.
Full textDissertations / Theses on the topic "Inhibiteurs de point de contrôle du système immunitaire"
Soussan, Sarah. "B lymphocytes and autoantibodies in immune-related adverse events following immune checkpoint inhibitors in cancer patients." Electronic Thesis or Diss., Sorbonne université, 2024. https://accesdistant.sorbonne-universite.fr/login?url=https://theses-intra.sorbonne-universite.fr/2024SORUS022.pdf.
Full textImmune checkpoints inhibitors (ICI) have revolutionized the treatment of previously incurable malignancies. Unfortunately, the use of ICI also induces a bystander breakdown of peripheral tolerance leading to immune related Adverse Events (irAEs) in 30-90% of treated patients, drastically reducing quality of life and requiring therapy dose reduction or discontinuation. As ICI directly target T cells, they have been considered the main culprit for irAEs. Nevertheless, T cells cannot fully explain adverse events, and the role of B cells and their associated mechanisms have not been characterized. We therefore studied the involvement of peripheral B-cell compartment in irAEs, using both phenotypic and functional approaches, in two cohorts of solid cancer patients treated with anti-PD-1 and/or anti-CTLA-4 monoclonal antibodies. Deep phenotyping of B-cell subsets throughout the treatment and at the onset of irAEs has been performed by multi-parametric spectral flow cytometry. Subsequently, to analyze the functions of B-cell subsets, notably their ability to produce antibodies, we set-up a B-cell culture system allowing in vitro differentiation of B cells into antibody-secreting cells. This gave us the opportunity to analyze the antibody production by circulating B cells and their association with irAEs occurence. The screening of circulating B cells phenotype and function was conducted alongside the evaluation of the serum and plasma reactivity of cancer patients by complementary approaches (ELISA, Western Blot, Immunofluorescence assays). We found that, before treatment, patients that develop ICI-induced irAEs exhibit a significantly lower expression on B cell subsets of the FcγRIIB, CD85j and LAIR-1 inhibitory receptors in melanoma patients and higher expression of the CD95 and CXCR5, respectively activating and lymphoid organs re-circulatory markers in lung cancer patients. In addition, increased in baseline abundance of hyper-activated IgD- memory B cell subset or plasmablasts precursor were observed in patients that will undergo irAEs. Moreover, a part of irAEs patients exhibit baseline or ICI-induce circulating autoantibodies which could be directed against the related tissue of irAEs occurrence. Indeed, patients experiencing cardiac/muscular irAEs demonstrated autoantibodies directed against cardiac tissues and well-defined cardiac/muscle antigens. Finally, IgG derived from cardiac/muscular irAEs patients bound to human cardiomyocytes and perturbed the calcium kinetic and the contractibility of cardiac spheroids. These findings highlight a predisposition of irAEs incidence in patients with baseline highly activated and differentiated circulating B cells associated with autoantibody production. Overall, these results support the potential role of the humoral adaptative immunity in the mechanisms of ICI-induced irAEs
Gagnon, Hugo. "Implications des proprotéines convertases lors d'infections : de l'activation du pathogène au contrôle de l’immunité." Thesis, Lille 1, 2012. http://www.theses.fr/2012LIL10179/document.
Full textThe proprotein convertases (PCs) are important enzymes mainly involved in the activation of protein precursors into the cell secretory pathway. This critical activation step that generates various biologically active polypeptides makes the PCs a cornerstone in a variety of biological process, including the neuroendocrine system. However, the PCs are described as very special players during infection, since they both activate various pathogens and control the immune response they induce. This thesis presents the development of a PCs peptide inhibitor for therapeutic purposes against pathogens and examines the role of PC1/3, which is mainly associated with the neuroendocrine system, in the control of the immune response in macrophages. As a first step, the PC inhibitor has been optimized by a peptidomimetic approach to block pathogens activation by PC for both a viral pathogen and a bacterial pathogen. In a second step, gene expression control tools have been used (shRNA) on a macrophage NR8383 cell line combined with the use of PC1/3 inactivated mouse (KO) to determine the physiological and molecular consequences of PC1/3 inactivation in macrophages by the mean of mass spectrometry approaches. The mass spectrometry approaches were proven to be a catalyst in this research and were further applied on ovarian cancer tissues studies, demonstrating the benefits of these tools. Overall, the results of this thesis demonstrate the feasibility of inhibiting PC to control infections and establish new avenues to modulate immunity by laying the foundations of PC1/3 molecular functions in the maintenance of immune homeostasis
Miloro, Giorgia. "Déterminer le rôle du récepteur de mort Fas/CD95 dans la co-stimulation des cellules T." Electronic Thesis or Diss., Université Côte d'Azur, 2020. http://www.theses.fr/2020COAZ6036.
Full textFas (CD95/TNFRSF6), a type-I transmembrane receptor of the tumor necrosis factor receptor (TNFR) superfamily, is a well-known cell death activator. However, it has been also implicated in non-cell death processes including cell survival, differentiation, migration. Whereas the molecular cascade that initiates apoptosis upon Fas engagement with its ligand FasL is particularly well described, the informations concerning the molecular mechanisms underlying the Fas mediated non-apoptotic pathways are sparse.As indicated by the induction of autoimmunity and lymphoproliferation in ALPS patients harboringmutations in either the receptor or its ligand, the Fas/FasL system plays a major role in T cell immune homeostasis and thus, in the control of autoimmunity and cancer. On one side, the Fas mediated death has been described critical for (i) the deletion of autoreactive lymphocytes, and thus in the maintenance of peripheral tolerance; (ii) the control of the number of lymphocytes activated by weak antigens during pathogen infections.On the other side, and beyond cell death induction, some Fas non-death pathways have been described in T cells, among which the role of Fas as co-regulatory receptor for the TCR during its activation. Despite the potential importance of this role in immunotherapeutic strategies, only few and controversial studies related to this involvement were done. Indeed, whereas several studies have described Fas as a TCR co-stimulatory receptor, others defined an inhibition of T cell activation by Fas-TCR concomitant stimulation. In this context, the aim of my PhD project consisted into molecularly dissect the Fas-TCR co-signaling.By using both primary T cells and cell lines bearing a specific transgenic TCR, we could define Fas as a costimulatory receptor. By exploiting biochemical approaches as well as flow cytometry and microscopy we could decipher the Fas-TCR crosstalk both at functional and molecular level. First, we show that Fas-TCR costimulation occurs in both naïve and in memory T cells as well as in both CD4+ and CD8+ T cell subpopulations.Molecularly, we could describe that Fas enhances the TCR signaling at membrane proximal level, since the phosphorylation of the first proteins involved in TCR activation is increased. Furthermore, both membrane-bound and soluble FasL are capable to initiate Fas co-stimulatory signal. Lastly, we could exclude the involvement of FADD and Caspase-8, first actors of Fas signaling, in the co-activation, and even more importantly, the involvement of the death domain of Fas cytoplasmic tail, unveiling the implication of another Fas receptor domain. To describe the molecular mechanisms and the context where Fas-TCR co-stimulation occurs might be of an outstanding importance in the comprehension of Fas physiopathology in T cells and for future studies that might involve its potential for immunotherapeutic strategies
Book chapters on the topic "Inhibiteurs de point de contrôle du système immunitaire"
Faury, Stéphane, and Jérôme Foucaud. "Immunothérapie spécifique, cancers et qualité de vie." In Pratiques et interventions en psychologie de la santé, 143–52. Editions des archives contemporaines, 2020. http://dx.doi.org/10.17184/eac.3192.
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